Having read the topics I could find regarding this question, I couldn't really find an accurate answer to my question, so I thought I'd post my own thread.
So; I've owned the 595s for around three years now, I believe. I've been meaning to upgrade for a while, and with the upcoming holiday season it seems like the perfect opportunity to do so. Especially considering the 650s seem to have dropped around 50 euro in price.
Let me start off by saying that I really do like the 595s. If I had to point out the negatives, I'd say it would be nice to have a little more bass at lower volumes. In fact, my main gripe would be that it seems to sound a lot better when used at a higher volume, though I imagine this applies to all headphones, speakers etc.
I wasn't 100% sure about upgrading to the 650, after having heard things about it being 'slow', 'veiled' and rather bassy.
The new version is meant to be brighter and faster, I believe? It would be very helpful if someone who has heard both the 595 and the new 650 could help me out with this one.
The 'phones will be used primarily for music; all genres. They will be used with a FiiO E7/E9 combo.
So; Are the new 650s a fairly straight upgrade to the 595s?